VIOX Blog

Electrical Engineering Guides & Insights

What If You Force a Breaker “ON”? (The “Trip-Free” Safety You Don’t Know You Have)

Circuit Protection

What If You Force a Breaker “ON”? (The “Trip-Free” Safety You Don’t Know You Have)

Joe2025-11-24

Circuit Protection

A Pro’s “Breaker Panel 101”: An Engineer Answers Your 4 Biggest Questions

Joe2025-11-23

A Pro’s “Breaker Panel 101”: An Engineer Answers Your 4 Biggest Questions

Circuit Protection

How to Trace a Circuit: A Pro’s Guide to “Breaker Finders” vs. “Tone Generators”

Joe2025-11-22

How to Trace a Circuit: A Pro’s Guide to “Breaker Finders” vs. “Tone Generators”

Circuit Protection

What is “Selectivity”? A Pro’s Guide to Breaker Coordination (and Avoiding a “Fair Fight”)

Joe2025-11-21

What is “Selectivity”? A Pro’s Guide to Breaker Coordination (and Avoiding a “Fair Fight”)

Switchboard vs Switchgear: Key Differences, UL 891 vs UL 1558, and Selection Guide

Power Distribution & Switchgear

Switchboard vs Switchgear: Key Differences, UL 891 vs UL 1558, and Selection Guide

Joe2025-11-20

Cam Switch Guide: Technical Principles, Types, & Selection Criteria (2025)

Industrial Control & Automation

Cam Switch Guide: Technical Principles, Types, & Selection Criteria (2025)

Joe2025-11-19

How to *Really* Test an MCCB (And Why the “Test” Button is a Lie)

Circuit Protection

How to Really Test an MCCB (And Why the “Test” Button is a Lie)

Joe2025-11-19

Icu vs Ics vs Icw vs Icm: Circuit Breaker Ratings Explained

Circuit Protection

Icu vs Ics vs Icw vs Icm: Circuit Breaker Ratings Explained

Joe2025-11-19

NEC vs IEC: Key Terminology Correspondence Table

Electrical Engineering & Standards

NEC vs IEC: Key Terminology Correspondence Table

Joe2025-11-18

What Is an Over & Under Voltage Protector? (And Why Your Circuit Breaker Can’t Save You)

Surge Protection & Power Quality

What Is an Over & Under Voltage Protector? (And Why Your Circuit Breaker Can’t Save You)

Joe2025-11-18

NEMA Enclosure Types and Ratings Explained

Electrical Enclosures & Connectivity

NEMA Enclosure Types and Ratings Explained

Joe2025-11-18

How to Power Multiple Machines: Why a “Sub-Main” Panel Beats 5 “Home Runs”

Power Distribution & Switchgear

How to Power Multiple Machines: Why a “Sub-Main” Panel Beats 5 “Home Runs”

Joe2025-11-18

ACB vs VCB: Complete Comparison Guide (IEC Standards 2024)

Circuit Protection

ACB vs VCB: Complete Comparison Guide (IEC Standards 2024)

Joe2025-11-17

Junction Box Sizing Guide: NEC 314.16 Box Fill & 314.28 Pull-Box Calculations

Electrical Enclosures & Connectivity

Junction Box Sizing Guide: NEC 314.16 Box Fill & 314.28 Pull-Box Calculations

Joe2025-11-17

A Comprehensive Technical Guide: MCCB vs ICCB

Circuit Protection

A Comprehensive Technical Guide: MCCB vs ICCB

Joe2025-11-17

The Icu Wall: Why Your MCCB Might Explode Where an ACB Stays Safe

Circuit Protection

The Icu Wall: Why Your MCCB Might Explode Where an ACB Stays Safe

Joe2025-11-17

MCB, MCCB, RCCB, RCBO & SPD: How They Work Together

Circuit Protection

MCB, MCCB, RCCB, RCBO & SPD: How They Work Together

Joe2025-11-17

Single-Phase vs Three-Phase Panelboards: The Complete Guide

Power Distribution & Switchgear

Single-Phase vs Three-Phase Panelboards: The Complete Guide

Joe2025-11-16

Electrical Tap Box vs Junction Box and Pull Box: How NEC Rules Apply

Electrical Enclosures & Connectivity

Electrical Tap Box vs Junction Box and Pull Box: How NEC Rules Apply

Joe2025-11-16

Sun, Rain, and Vandals: Why Your Outdoor Isolator Keeps Failing

Power Distribution & Switchgear

Sun, Rain, and Vandals: Why Your Outdoor Isolator Keeps Failing

Joe2025-11-16

The Importance of Isolation Switches in Distribution Boxes.

Electrical Enclosures & Connectivity

The Importance of Isolation Switches in Distribution Boxes.

Joe2025-11-16

The $10,000 Question: How to Beat the NEC 120% Rule Without Replacing Your Panel

Electrical Engineering & Standards

The $10,000 Question: How to Beat the NEC 120% Rule Without Replacing Your Panel

Joe2025-11-16

How to Ground an Electrical Panel: NEC Article 250 & Bonding Rules

Power Distribution & Switchgear

How to Ground an Electrical Panel: NEC Article 250 & Bonding Rules

Joe2025-11-15

Direct Drive vs. Interposing Relays: The “Sacrificial Lamb” Debate

Industrial Control & Automation

Direct Drive vs. Interposing Relays: The “Sacrificial Lamb” Debate

Joe2025-11-15

Why the “Clumsy” Mechanical Relay Refuses to Die (A VIOX Engineer Explains)

Industrial Control & Automation

Why the “Clumsy” Mechanical Relay Refuses to Die (A VIOX Engineer Explains)

Joe2025-11-15

“The Forbidden Soup”: Why Your Buried Junction Box is Full of Water (And How to Fix It)

Electrical Enclosures & Connectivity

“The Forbidden Soup”: Why Your Buried Junction Box is Full of Water (And How to Fix It)

Joe2025-11-14

Junction Box vs Distribution Box vs Terminal Box: Key Differences

Electrical Enclosures & Connectivity

Junction Box vs Distribution Box vs Terminal Box: Key Differences

Joe2025-11-14

Is “Spider Wiring” Illegal? Why Your Attic’s “Messy” Junction Box Might Be Fine

Electrical Enclosures & Connectivity

Is “Spider Wiring” Illegal? Why Your Attic’s “Messy” Junction Box Might Be Fine

Joe2025-11-14